Dual chain gear



FIG. 1 is a front perspective view of a dual chain gear according to the present application.

FIG. 2 is a front view of the dual chain gear of FIG. 1.

FIG. 3 is a rear view of the dual chain gear of FIG. 1.

FIG. 4 is a right view of the dual chain gear of FIG. 1.

FIG. 5 is a left view of the dual chain gear of FIG. 1.

FIG. 6 is a top view of the dual chain gear of FIG. 1; and,

FIG. 7 is a bottom view of the dual chain gear of FIG. 1. 

CLAIM The ornamental design for a dual chain gear, as shown. 